AnyDesk 9.0.1 - Unquoted Service Path

# Exploit Title: AnyDesk 9.0.1 - Unquoted Service Path
# Date: 2024-12-11
# Exploit Author: Parastou Razi
# Contact: razi.parastoo@gmail.com
# Vendor Homepage: http://anydesk.com
# Software Link: http://anydesk.com/download
# Version: Software Version 9.0.1
# Tested on: Windows 11 x64

1. Description:

The Anydesk installs as a service with an unquoted service path running
with SYSTEM privileges.
This could potentially allow an authorized but non-privileged local
user to execute arbitrary code with elevated privileges on the system.

2. Proof

C:\>sc qc anydesk --service
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: anydesk
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : "C:\Program Files (x86)\AnyDesk\AnyDesk.exe"
--service
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : AnyDesk Service
        DEPENDENCIES       : RpcSs
        SERVICE_START_NAME : LocalSystem